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Yes, you need to write your request clearly and wait for someone to contact you.
It is possible that the buckle has been loosened, and if such a problem is not easy to deal with, it can only be forcibly and brutally removed.
If my household appliances and equipment fail, call the manufacturer for after-sales service, let him send someone to repair, replace the original spare parts of the manufacturer, if the product is still within the warranty period, you can also repair it free of charge, please adopt it.
It is recommended that you find a property in your community, and if there is a small problem, just open the lid and make it new.
Repair, replacement parts have nothing to do with the size of the wall、、、 forget to adopt.
There's something called tile adhesive that's okay.